Big One docs

Today you can follow sharp traders, check every token with a Rug Shield score before you buy and trade from your own wallet. Next: copy traders with your own limits and launch a token for an idea or project you believe in. People who join early are meant to share in what the platform grows into. We only announce a product when it is ready to use.

Where things stand

What we are building

Pages on the site

Older links keep working: /claim goes to the airdrop page, and /claim/profile and /airdrop/profile go to your profile.

Who is behind it

The team is not public yet. The crew is Founder, Engineering, Design and Community, and real names and profiles will be published in the Team section of the home page. We would rather show who we are than ask you to trust an anonymous crew forever.

1. Get a Solana wallet and some SOL

   Phantom, Solflare, Backpack, Coinbase Wallet and Trust Wallet all work. You need SOL for the presale and the network fees.

2. Connect and sign in

   Press Connect wallet in the header, pick your wallet and sign one free message. It sends no transaction.

3. Buy in the presale (optional)

   Open the presale page, enter an amount in USD, check what you get and approve one transaction. You pay SOL and your $BIG arrives in the same moment.

4. Keep your $BIG in your wallet

   $BIG you buy in the presale earns holding rewards. Collect them from your profile whenever you like.

5. Share your invite link

   Your profile has one invite link. When a friend buys in the presale through it, you earn 5% of their purchase in SOL, and you collect it from your profile once it reaches $5.

What it costs, besides the amount you choose

Typical sizes: the network fee is a fraction of a cent, and the one-time token account deposit is about 0.00207 SOL. The network holds that deposit, and you can recover it by closing the empty account in your wallet.

Supported wallets

These wallets are offered in the connect window. Other Solana wallets that follow the Wallet Standard also show up on their own when they are installed.

• Phantom
• Solflare
• Backpack
• Coinbase Wallet
• Trust Wallet

Support for EVM wallets is part of the platform plan and is not available yet.

How signing in works

1. Connect

   Choose a wallet in the connect window and approve the connection.

2. Sign a message

   Your wallet shows a short text with the site address, your wallet, a one-time code and the time. It states that signing sends no transaction and gives no access to your funds.

3. We check it

   Our server verifies that the signature really comes from your wallet, then creates your account the first time.

4. Stay signed in

   A secure cookie that scripts cannot read keeps you signed in on that browser for up to 7 days. The Disconnect button in the wallet menu signs you out and disconnects your wallet.

What an account holds

• Your wallet address, which is your login and cannot be changed.
• Optional details you add on your profile: email, X username and Telegram username.
• Your airdrop, presale, rewards, referral and ambassador records.

Details on what we store and why are in the Privacy Policy.

Token name

Big One

Ticker

$BIG

Network

Solana

Total supply

10,000,000,000 $BIG

Decimals

6

Token address

Big1gxETRNbq9D8Hu4St2CxnYJ89s9idqrBtGWCme8JX

Presale price

$0.00014

Presale allocation

3,400,000,000 $BIG (34% of supply)

Hard cap

$476,000

Target launch price

$0.0002 (a target, not a promise)

Target fully diluted valuation

$2,000,000 at the target launch price

Accepted payment

SOL on Solana

Min and max per wallet

$10 min, $5,000 max

Vesting on presale tokens

None. 100% unlocks at launch.

Fully diluted valuation (FDV) is the total supply multiplied by the price: 10,000,000,000 x $0.0002 = $2,000,000. The live minimum and maximum are always on the presale page.

Where the presale money goes

If the hard cap of $476,000 is reached, it is split like this:

$238,000 (50% of the SOL raised) goes to liquidity. It is not added all at once at launch: it is added gradually from launch over the following days and weeks, paired with $BIG. The split assumes the hard cap is reached.

Public wallets

These are the wallets Big One uses. Check any of them on the explorer at any time. They are addresses only, never keys.

When $BIG lists

As soon as the presale concludes, we will list $BIG on a decentralized exchange within one to two weeks. The countdown on the round $BIG button is the latest target date: if the presale completes sooner, we list sooner.

• The presale concludes when the hard cap is reached or when the countdown reaches zero, whichever comes first.
• The countdown pill under the header shows the latest target date. If the presale completes sooner, the listing comes sooner. Once the presale is complete, the pill says so.
• The Timeline button next to the countdown opens a short list of what is live, what is next and what comes later.
• We will post the listing date and the contract address on the site and on our official channels.

Price

$0.00014 per $BIG

Allocation

3,400,000,000 $BIG (34% of supply)

Hard cap

$476,000

Per wallet

$10 min, $5,000 max

Payment

SOL, at the live SOL price

Delivery

Instant, in the same transaction, fully unlocked

Target launch price

$0.0002

How to buy

1. Open the presale page

   The calculator, the price, the hard cap and the progress bar are visible without a wallet.

2. Enter an amount in USD

   The card shows how many tokens you get, what they would be worth at the launch target, the SOL you pay, the network fee and any prize draw tickets you earn. Quick buttons set common amounts.

3. Connect and sign in

   If you have not already, connect your wallet and sign the login message.

4. Press Buy and approve

   Your wallet shows one transaction. Approve it and your $BIG lands in your wallet.

5. See it in your profile

   Your purchase appears under My presale allocation on the presale page and under your profile, and the tokens start earning holding rewards.

What happens in the transaction

A purchase is one transaction. Your SOL goes to the presale wallet and the $BIG goes to your wallet at the same time, so both happen or neither does. There is nothing to wait for and nothing to claim later. Our server prepares the transaction, and your wallet signs and pays it. Before it reaches your wallet it is test-run on the network, so a transaction that would fail is stopped with a clear message instead.

• Price in USD, paid in SOL. The SOL amount is worked out at the live SOL price and locked into your order for a few minutes when you start.
• Limits. The minimum is $10 and the maximum is $5,000 per wallet. A purchase can be declined if the presale is sold out, closed or has too little left. The page tells you why.
• Final purchases. Before your first purchase you tick a box and confirm that you understand that purchases are final and cannot be refunded, because your $BIG arrives in the same transaction. The confirmation is stored with your wallet address.
• One order at a time. A wallet can have one live purchase in progress. If you start the same amount again, you get the same transaction back, so you cannot pay twice by accident.
• Your costs. The SOL price, the network fee (about 0.000005 SOL) and, if your wallet has no token account for $BIG yet, a one-time deposit of about 0.00207 SOL.
• Referral bonus. If you came through a friend's link, you get a 2% bonus of $BIG on top of what you buy, sent to your wallet in the same transaction. The calculator shows it under "You get". You pay the same price either way, and without a referral link there is no bonus. The bonus comes from a limited pool (68,000,000 $BIG) and stops when the pool is used up. The friend who invited you earns 5% in SOL, paid separately by us.

When the presale ends

The presale concludes when the hard cap is reached or when the presale countdown on the round $BIG button reaches zero, whichever comes first. We may also pause it earlier. When it is paused, the presale page says so and the buy button is off.

If something goes wrong

• If you cancel in your wallet or the transaction fails, your SOL for the purchase is not sent and no tokens are delivered. The network may still keep its tiny fee.
• If you paid but closed the tab, open the presale page or your profile while signed in. The site finds the transaction by its reference and records it.
• Purchases are final once confirmed. Read the Refund terms before you buy.

Open the Refund terms

Live activity

The presale page shows the latest confirmed purchases with a shortened wallet, the amount, the date and a link to each transaction, so anyone can verify them.

Go to the presale How to buy, with walkthroughs

Tickets

1 ticket for every full $10 you buy in the presale, counted across all your purchases

Example

$25 in total gives 2 tickets. $30 gives 3.

Winners

10, and each wallet can win once

Prize

1,000,000 $BIG each, 10,000,000 $BIG in total

When

After the presale has closed successfully

Collecting

Winners collect on the presale page and pay only the network fee

The ticket size, the number of winners and the prize are read from the presale settings. The presale page always shows the live values.

Why nobody can rig it

• The tickets are frozen first, so nothing you do afterwards changes the result.
• The winners come from the hash of a Solana block that did not exist yet when the tickets were frozen. Nobody, including us, can know it in advance or change it.
• The ticket list, its SHA-256 fingerprint, the seed slot and the seed block hash are published on the presale page.

Check the draw yourself

1. Get the ticket list

   It is published at /api/presale/raffle/snapshot. It is a list of wallets with their ticket counts, sorted by wallet address in plain string order.

2. Number the tickets

   Tickets run from 1 to N down that list, wallet by wallet.

3. Take the seed

   Use the seed block hash shown under Verify the draw yourself on the presale page.

4. Compute a ticket number

   For k = 0, 1, 2 and so on, take the SHA-256 of the text "seedBlockHash:k", read the first 12 hex digits as a number, and take it modulo the total number of tickets. Add 1 to get a winning ticket number.

5. Skip repeat wallets

   If that wallet already won, skip it and move to the next k. The first 10 different wallets win, in order.

You can also compare the SHA-256 of the published list with the fingerprint on the page to confirm that the list was not changed after it was frozen.

Amount

120,000 $BIG per claim

Pool

The first 6,666 claims, from the 14% airdrop and rewards allocation

Limit

One claim per wallet and per X username

Claim fee

About $2, paid in SOL at the live SOL price

Other costs

Network fee and a one-time token account deposit

Referral bonus

Added to your claim if a friend invited you

How to claim

The claim card shows eight steps and tracks your progress.

1. Connect and sign in

   Connect your Solana wallet and sign the free login message.

2. Add your X username

   It is bound to your claim, and one X username can claim only once. If you saved it on your profile already, it is filled in for you.

3. Follow Big One on X

   Follow @BigOne_Fun.

4. Like and comment on the claim post

   Like the post and comment your wallet address. Only ever enter your public address.

5. Repost the claim post

   Repost the same post to your followers.

6. Join the Telegram chat

   Say hi to the community.

7. Subscribe to the Telegram channel

   Get announcements first.

8. Claim

   Review the exact costs in your wallet and approve one transaction. The $BIG arrives in the same transaction.

Each task opens a link. Keep it open for a few seconds, then press the done button. The tasks are on the honor system: there is no automatic check on X or Telegram, and claims that look automated, duplicated or fake can be excluded.

Why there is a claim fee

Free airdrops attract bots and duplicate accounts, and they can drain a pool in minutes. A small fee of about $2, paid in SOL from your own wallet, makes that uneconomic so the allocation reaches real community members. It also supports the running costs of Big One. You see the exact amount before you approve, and nothing else is taken from your wallet.

One transaction, paid by you

The claim is one transaction: the fee, your token account (if you do not have one) and the $BIG transfer. Our server prepares and pre-signs the $BIG part, and your wallet signs and pays. If a friend invited you and they hold no $BIG yet, their token account is created in your claim, and its deposit is included in the cost the claim card shows you.

After you claim

• A success popup confirms the claim.
• You can make a share card: an image you can copy or download and post. It carries your invite link.
• Your SOL Bound badge is minted to your wallet.
• Your X username is locked on your profile. Before you claim, changing it restarts the claim steps.
• If a claim lands on the blockchain but your browser never showed it, the site finishes it for you the next time you open the airdrop page or your profile.
• When the pool is fully claimed, the page says so. Follow the official channels for what comes next.

Go to the airdrop

How it works

• Every $BIG you buy in the presale is recorded as its own holding with its own clock. $BIG from the airdrop or from referrals does not earn holding rewards.
• A holding earns by the hour for as long as the tokens stay in your wallet.
• Your wallet balance is checked when you open your profile, when you collect, when you claim, and once a day for everyone. That is how moving tokens out is noticed even if you never open the site.
• If your balance is lower than your recorded holdings, the newest holdings are reduced first. The part that left your wallet stops earning, and what it already earned stays yours.
• Your $BIG is not locked, staked or lent. It stays in your wallet and you can move it at any time. The part you move simply stops earning.

Collecting

Open your profile and find $BIG Rewards. It shows what is ready to collect, what you earn per hour, what you earned so far and how much you are holding. Press Collect and approve one transaction. The $BIG is paid from our distribution wallet, and you pay only the network fee. If you are an ambassador, holding rewards and any ambassador rewards are paid together in one collection. A minimum amount may apply.

The Details button lists each presale holding, when it started, how much it earned and how much of it is still held.

Your link

https://bigone.fun/?ref=YOURCODE. Find it on your profile under Invite and earn.

Airdrop

Postponed to a later date. Planned: when a friend claims, you both receive 1,000 $BIG.

Presale in $BIG

On top of the SOL, every friend who buys in the presale through your link earns you 1,000 $BIG, counted once their first purchase ($10 or more, the presale minimum) is confirmed on chain. Approved ambassadors earn 2,000 to 5,000 $BIG instead, by follower size. You collect it from $BIG Rewards on your profile.

Presale

When a friend buys, you earn 5% of their purchase in SOL. The default rate is 5%, and it can be different for specific accounts. Your profile shows what you earned, and you can collect it once the unclaimed amount reaches $5.

Cost to your friend

Nothing extra. They pay the same total.

Swaps

Your friends' swaps on Big One earn you a share of the Big One fee too, in SOL. See Swaps, fees and swap rewards.

Rewards are only added for purchases that are confirmed on Solana, and the rate that applied at the time of the purchase is the one that counts.

How a referral is counted

1. Your friend opens your link

   Their browser remembers your code for 30 days. The link works on any page of the site.

2. They sign in

   The first time they sign in, you become their inviter for good. It cannot be changed afterwards.

3. They buy

   Once their purchase is confirmed on Solana, your share is added to your profile. It is never taken from them: they pay the same total.

4. You collect

   When your unclaimed rewards reach $5, press Collect on your profile. The SOL is sent from our distributor wallet and you pay no network fee.

Good to know

• Rewards come only from purchases verified on the blockchain. Nothing a browser sends can add to them.
• The minimum to collect is $5 of unclaimed rewards. They are paid in SOL, worked out from what your friend really paid.
• Your profile shows friends who bought in the presale, what you earned, what you collected and what is ready.
• We can remove rewards that do not meet these rules, for example from self-referrals.
• Self-referrals, fake accounts and other abuse can void rewards.

Anyone can apply. We review every application by hand.

How it works

1. Apply

   Connect your wallet and fill in the short form on the ambassador page: your X username, an optional Telegram username, your follower count and a message about how you will promote or links to your pages.

2. Get approved

   We review it by hand. Your status shows on your profile and updates as soon as we decide.

3. Share your invite link

   Your profile has one invite link.

4. Earn and collect

   Presale referrals pay in SOL and in $BIG, and approved posts pay in $BIG. Collect your $BIG from $BIG Rewards on your profile whenever you like.

What you earn

• $BIG for every friend who buys. Each friend who buys in the presale through your link earns you 2,000, 3,000, 4,000 or 5,000 $BIG depending on your follower size (others earn 1,000).
• Presale referrals in SOL. 5% of each purchase your friends make, earned in SOL once their purchase is confirmed on chain, collected from your profile at $5.
• A bonus for your friends. Friends who buy in the presale through your link get a 2% $BIG bonus on top, delivered in the same transaction, from a capped pool.
• Post rewards in $BIG. Add the link to your post or video in your profile. Each approved post pays 2,000, 5,000, 10,000 or 20,000 $BIG by follower size, added to your rewards every hour over 30 days.

Ground rules

• Honest and clear. Never promise profits or prices, and add "not financial advice" where it fits.
• Say it is promotional where the law or the platform requires it (for example #ad or "partner").
• No fake accounts, bots, self-referrals or spam. We look at real people and real activity.
• One ambassador account per person, and the X account must be yours.
• We may put an account on hold or remove it from the program if it breaks these rules.

Statuses

Ambassadors are independent creators, not employees or representatives of Big One. You are responsible for the law and platform rules that apply to you, including disclosing that your posts are promotional where required.

Go to the ambassador page

• It appears in your wallet and on your profile after your airdrop claim.
• It can never be transferred or sold. It is built as a non-transferable, permanently frozen asset in a single SOL Bound collection.
• We mint it and pay for it. You never pay for it.
• It is minted after your claim as a separate step, so a problem with the badge can never block a claim. If the first try fails, it is retried when you open your profile.
• It is a keepsake. It has no promised value, use or access, and some wallets may not display it.
• We may change it or stop issuing it.

Later

• Solana and EVM wallet connection
• Mobile apps and more chains
• More products that are useful to the crypto community, announced when they are ready

The Big One fee

The fee depends on what you trade and how big the trade is. Big, deep-liquidity tokens cost the least; new and small tokens, which are riskier and cost more to support, cost the most. Larger trades pay a lower rate. The fee is taken by Jupiter in the same transaction, and Jupiter keeps 20% of it. The swap screen always shows the exact fee for your trade, in % and in dollars.

• Major: in the Top 100 we track, or a market cap of $100M or more. SOL, USDC and USDT count as major.
• New and volatile: a market cap under $5M, or younger than 7 days.
• Mid: everything in between.
• Rates can change. The swap screen always shows the rate in force before you sign.

Swap rewards in $BIG

10% of what Big One keeps from your fee comes back to you as $BIG, at the presale price. The swap screen shows about how much you earn, and after the swap it is added to Rewards → From Big One on your profile. It is claimable when claims open; we announce that in the community. Only swaps read back from the chain count.

Referrals and callouts (SOL)

The rule

Big One gives back up to 10% of the fee it really earned on a swap, read from that swap on-chain. Never more than 10% in total.

Your invites

People who sign up with your invite link are yours for life: 10% of our fee on every swap they make.

Your posts and callouts

When someone trades from your post, price call or Terminal callout, you earn on that trade: 10% if you also invited them or nobody did.

Split

If one person invited the trader and another person posted what they traded from, each gets 5%.

Collecting

Rewards → Invite and share. Collect in SOL once you have $5 or more; it is sent to your wallet and checked on-chain. Your own trades never earn you a reward.

Trade cards

After a swap, press Post this trade, or write a post, tag a token and press Buy and post. The post becomes a trade card: the entry is the price of your real swap, the exit is your later swaps of that token through Big One, and the card shows open PnL and what the closed part would be worth if you had held. A call without a trade stays an idea and never shows an entry.

What it looks at

How the score is worked out

A token starts at 100 and loses points for each risk. The score is kept between 1 and 99, because no token is ever fully safe or fully a rug. This is the formula of the interactive demo on the home page, where you can try it yourself.

Try the Rug Shield demo

• When you sign in from most pages you land on your profile. If you have not claimed the airdrop, a prompt offers it once for that sign-in.
• View on explorer opens your wallet on the Solana explorer, and Refresh balance reads your balance again.
• The profile page is hidden from search engines.

Open my profile

Themes

Light is the default for everyone, and your device's dark mode setting is ignored until you choose. The theme button in the header opens Light, Dark and four color themes: Mint, Sunset, Violet and Ocean. Your choice is saved in your browser.

Around the site

• The round button in the bottom-right corner opens quick links to The Big Picture, the Ambassador Program, the $BIG Airdrop, the $BIG Presale and these docs. On a computer it opens by itself for 3 seconds the first time you visit, then tucks away.
• The round $BIG presale button floating at the bottom of the screen shows how many days the presale has left. Tap it to see the full timeline: what is live now and what comes next.

How transactions are built

• Every claim, purchase and reward collection is a single transaction that you sign and pay yourself. Your wallet shows the exact amounts before you approve.
• Our server pre-signs only the part that sends the token. That signature covers one exact transaction and cannot be reused for anything else.
• Each transaction is test-run on the network before it reaches your wallet. One that would fail is stopped on our side with a clear message.
• A claim or purchase either fully happens or does not happen at all.
• Your login is a free signature that cannot move funds. The sign-in cookie cannot be read by scripts in your browser.
• The key of our network provider stays on our server and is never sent to your browser.

How to check us

• The official address is bigone.fun. Check it before you connect or approve anything.
• Only trust the links on this site and our official X and Telegram.
• Our wallets are published in Tokenomics and on the presale page. Check them on the explorer at any time.
• Every purchase, claim and prize payout has a transaction link you can open on the Solana explorer.
• The prize draw publishes everything needed to recompute the result.

If your wallet shows a warning

Wallets can show a notice for sites that were launched recently. That notice alone is not a problem, but confirm that the address is bigone.fun before you approve. If a wallet says a transaction looks malicious or cannot be simulated, do not approve it. Stop and ask in the Telegram chat.

Audits

No audit has been published yet. Audit details will be published here when they exist. We will not claim an audit we do not have. Rug Shield scores are not audits.

Airdrop

Free tokens that a project sends to community members. Here you claim 120,000 $BIG by finishing a few steps and paying a small claim fee.

Bonding curve

A price curve that sets the price of a new token by how much of it has been bought. Launches on the planned launchpad graduate to an open market.

DEX

A decentralized exchange, where people trade tokens directly from their wallets. $BIG is planned to list on one.

DYOR

Do your own research.

FDV

Fully diluted valuation: the total supply multiplied by the price.

Hard cap

The most the presale can raise. When it is reached, the presale concludes.

Holding

A batch of tokens you bought in the presale. Each one earns rewards on its own clock while it stays in your wallet.

Liquidity

Tokens and money paired in a pool so people can buy and sell. Locked liquidity cannot be taken out by the creator.

Mint authority

The power to create more of a token. If a creator still has it, they can dilute holders at any time.

Network fee

A small fee paid to the Solana network for every transaction.

Rug pull

When a creator drains a token's liquidity or mints more and leaves holders with nothing.

Seed phrase

The secret words that control a wallet. Never share them with anyone.

SOL

The coin of the Solana network. Presale and claim payments are made in SOL.

Soulbound

An asset that is tied to one wallet and cannot be moved or sold.

Token account

A small account in your wallet that holds one kind of token. The first time you receive $BIG, one is created, with a one-time deposit that you can get back by closing it when it is empty.

Wallet

The app that holds your keys and signs your transactions. On Big One, it is also your account.

• Terms of ServiceEligibility, the presale, the airdrop, rewards, referrals, ambassadors and your responsibilities.
• Privacy PolicyWhat we collect, why, who handles it, cookies and your choices.
• Refund termsWhat can and cannot be refunded, and what to do if we made a mistake.

Nothing on this site is financial, investment, legal or tax advice, or an offer or solicitation in any place where it would be unlawful. Do your own research. Network: Solana.